<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>注册页面</h1>
<form action="/reg">
<input type="text" name="username" placeholder="用户名">
<input type="password" name="password" placeholder="密码">
<input type="text" name="nick" placeholder="昵称">
<input type="text" name="age" placeholder="年龄">
<input type="submit" value="注册">
</form>
</body>
</html>